Cytomegalovirus Infection and Coronary Artery Disease: A SingleCenter Serological Study in Northwestern Iran

Rostamzadeh Khameneh, Z and Nemati, M and Rostamzadeh, A.R and Sepehrvand, N and M. Brown, P (2016) Cytomegalovirus Infection and Coronary Artery Disease: A SingleCenter Serological Study in Northwestern Iran. Int Cardiovasc Res J, 10 (3). pp. 118-122.

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Abstract

Te role of chronic Cytomegalovirus (CMV) infection and inflammation in the pathogenesis of atherosclerosis and Coronary Artery Disease (CAD) is still not clear. Objectives: Tis study aimed to explore the seroprevalence of anti-CMV antibodies and inflammatory markers in patients with stable angina who had undergone diagnostic coronary angiography for clinical suspicion of CAD. Patients and Methods: Tis cross-sectional, descriptive study was conducted on 181 patients with stable angina selected randomly among the patients referred to Seyyedoshohada Heart Hospital of Urmia, Iran for diagnostic coronary angiography between August 2012 and December 2013. Te patients were categorized into CAD and non-CAD groups based on their angiographic fndings. Ten, anti-CMV IgG and IgM antibodies were tested using the Enzyme-Linked Immunosorbent Assay (ELISA) method (Diapron, Rome, Italy). Serum C-Reactive Protein (CRP) was also measured by a qualitative method (Aniston Kit). Results: Based on angiographic fndings, 141 patients (77.9%) had atheromatous plaques in their coronary arteries, while coronary arteries were free of any plaques in 40 cases (22.1%). Besides, 99.3% of the patients in the CAD group and all the patients in the non-CAD group were anti-CMV IgG positive. Te rate of anti-CMV IgM seropositivity was 11.7% in the CAD group and 13.2% in the non-CAD group (P = 0.78). However, no signifcant difference was observed between the groups with and without angiographicallydocumented CAD in terms of CRP seropositivity (64.7% vs. 56.4%, P = 0.34). Conclusions: Regardless of having angiographically-proven CAD, almost all the cases referred for coronary angiography in our study had a previous exposure to CMV infection as determined by the presence of anti-CMV IgG antibodies in their sera. In fact, the results indicated no signifcant associations between CMV infection and the presence of CAD.

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